/* roulang page: index */
:root {
            --bg-primary: #0C1F14;
            --bg-secondary: #142B1D;
            --bg-tertiary: #0A1710;
            --bg-light: #F5F2E8;
            --accent-green: #B8F32E;
            --accent-green-hover: #A6DE24;
            --accent-gold: #E8A33D;
            --text-primary: #F2F5EC;
            --text-secondary: #A8B8A0;
            --text-muted: #6D7F68;
            --text-dark: #14201A;
            --text-dark-secondary: #4A5A4D;
            --border-green: rgba(184, 243, 46, 0.18);
            --border-green-strong: rgba(184, 243, 46, 0.45);
            --radius-lg: 4px;
            --radius-md: 6px;
            --radius-sm: 2px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --transition-fast: 0.15s ease-out;
            --transition-mid: 0.25s ease-out;
            --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            --max-width: 1240px;
            --header-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .num-mono {
            font-family: var(--font-mono);
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-green);
            z-index: 100;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border: 2px solid var(--accent-green);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: var(--bg-secondary);
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            border: 2px solid var(--accent-green);
            transform: rotate(45deg);
            border-radius: 2px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all var(--transition-fast);
            background: transparent;
        }

        .hamburger:hover {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .hamburger-line {
            width: 20px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .header-cta {
            padding: 10px 24px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .header-cta:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .header-cta .cta-icon {
            display: none;
        }

        /* ===== Drawer Nav ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 23, 16, 0.7);
            z-index: 200;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-mid);
        }

        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer-panel {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 60vw;
            min-width: 320px;
            max-width: 520px;
            background: var(--bg-tertiary);
            border-right: 1px solid var(--border-green-strong);
            z-index: 210;
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }

        .drawer-panel.active {
            transform: translateX(0);
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-primary);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .drawer-close:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.06);
        }

        .drawer-body {
            padding: 80px 40px 40px;
            flex: 1;
        }

        .drawer-section-title {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 16px;
            border-bottom: 1px solid var(--border-green);
            padding-bottom: 8px;
        }

        .drawer-nav-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px 20px;
            margin-bottom: 32px;
        }

        .drawer-nav-link {
            display: flex;
            align-items: center;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .drawer-nav-link:hover,
        .drawer-nav-link:focus-visible {
            color: var(--accent-green);
            border-color: var(--border-green);
            background: rgba(184, 243, 46, 0.05);
        }

        .drawer-nav-link::before {
            content: '→';
            margin-right: 8px;
            color: var(--accent-green);
            font-size: 0.85rem;
            opacity: 0;
            transform: translateX(-6px);
            transition: all var(--transition-fast);
        }

        .drawer-nav-link:hover::before,
        .drawer-nav-link:focus-visible::before {
            opacity: 1;
            transform: translateX(0);
        }

        .drawer-quick {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .drawer-quick-link {
            padding: 6px 14px;
            border: 1px solid var(--border-green);
            border-radius: calc(var(--radius-sm) * 6);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .drawer-quick-link:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.06);
        }

        .drawer-contact {
            padding: 16px;
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-green);
        }

        .drawer-contact-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }

        .drawer-contact-value {
            font-weight: 600;
            color: var(--text-primary);
            font-family: var(--font-mono);
        }

        .drawer-announcements {
            margin-top: 12px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .drawer-announce-item {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .drawer-announce-item::before {
            content: '●';
            color: var(--accent-gold);
            font-size: 0.6rem;
        }

        /* ===== Main Sections ===== */
        main {
            padding-top: var(--header-height);
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-tertiary);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
            border: 1px solid var(--border-green-strong);
            padding: 3px 12px;
            border-radius: calc(var(--radius-sm) * 6);
            background: rgba(184, 243, 46, 0.06);
        }

        .section-light .section-tag {
            color: #3D6B1E;
            border-color: rgba(61, 107, 30, 0.3);
            background: rgba(61, 107, 30, 0.06);
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-light .section-title {
            color: var(--text-dark);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .section-light .section-desc {
            color: var(--text-dark-secondary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: var(--bg-primary);
            padding: 0;
            overflow: hidden;
            background-image: url('/assets/images/d76360f3f0ae2e14.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 31, 20, 0.92) 0%, rgba(12, 31, 20, 0.75) 40%, rgba(10, 23, 16, 0.6) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 100px 32px 80px;
        }

        .hero-brand-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
        }

        .hero-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            border: 2px solid var(--accent-green);
            background: var(--bg-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
        }

        .hero-avatar::before {
            content: '';
            width: 22px;
            height: 22px;
            border: 2px solid var(--accent-green);
            transform: rotate(45deg);
            border-radius: 3px;
        }

        .hero-avatar::after {
            content: '';
            position: absolute;
            width: 5px;
            height: 5px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .hero-brand-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-green);
            letter-spacing: 0.04em;
        }

        .hero-brand-tagline {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
            color: var(--text-primary);
        }

        .hero-title .highlight {
            color: var(--accent-green);
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.9;
            margin-bottom: 32px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .btn-primary {
            padding: 14px 32px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 20px rgba(184, 243, 46, 0.35);
            transform: translateY(-2px);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .btn-secondary {
            padding: 14px 28px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-green-strong);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.06);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
            border-top: 1px solid var(--border-green-strong);
            padding-top: 24px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .hero-stat-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        /* ===== Service Matrix ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .service-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            border-color: var(--accent-green);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .service-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .service-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(12, 31, 20, 0.3);
        }

        .service-card-body {
            padding: 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-icon {
            width: 40px;
            height: 40px;
            border: 2px solid var(--accent-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 1.1rem;
            color: var(--accent-green);
            font-weight: 700;
        }

        .service-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .service-card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .service-card-link:hover {
            color: var(--accent-green-hover);
            gap: 8px;
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
            padding: 40px 0;
        }

        .stats-bar-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .stats-bar-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .stats-bar-value {
            font-family: var(--font-mono);
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1;
        }

        /* ===== Flow Steps ===== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .flow-step {
            text-align: left;
            position: relative;
            padding-right: 20px;
        }

        .flow-step::after {
            content: '';
            position: absolute;
            top: 24px;
            right: 0;
            width: 40px;
            height: 2px;
            border-top: 2px dashed var(--accent-green);
            opacity: 0.4;
        }

        .flow-step:last-child::after {
            display: none;
        }

        .flow-step-num {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-green);
            margin-bottom: 12px;
            display: inline-block;
            border-bottom: 2px solid var(--accent-green);
            padding-bottom: 4px;
        }

        .flow-step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .flow-step-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Case Cards ===== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-mid);
        }

        .case-card:hover {
            border-color: var(--accent-green);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .case-card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }

        .case-card-body {
            padding: 20px 24px;
        }

        .case-card-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-gold);
            border: 1px solid rgba(232, 163, 61, 0.4);
            border-radius: calc(var(--radius-sm) * 6);
            margin-bottom: 10px;
        }

        .case-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
        }

        .case-card-link:hover {
            color: var(--accent-green-hover);
        }

        /* ===== Brand Intro ===== */
        .brand-intro-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-text {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-secondary);
            letter-spacing: 0.01em;
        }

        .brand-intro-text p {
            margin-bottom: 16px;
        }

        .brand-intro-text p:last-child {
            margin-bottom: 0;
        }

        .brand-data-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .brand-data-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .brand-data-card:hover {
            border-color: var(--accent-green);
            box-shadow: var(--shadow-hover);
        }

        .brand-data-num {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-green);
        }

        .brand-data-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== News List + Tag Cloud ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            padding: 20px 24px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            background: var(--bg-secondary);
            transition: all var(--transition-fast);
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .news-item:hover {
            border-color: var(--accent-green);
            background: rgba(20, 43, 29, 0.7);
            transform: translateX(4px);
        }

        .news-arrow {
            font-size: 1.4rem;
            color: var(--accent-green);
            flex-shrink: 0;
            line-height: 1.4;
        }

        .news-item-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .news-item-summary {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-content: flex-start;
        }

        .tag-cloud-item {
            padding: 6px 14px;
            border: 1px solid var(--border-green);
            border-radius: calc(var(--radius-sm) * 6);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .tag-cloud-item:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
            transform: translateY(-2px);
        }

        /* ===== Partners ===== */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
        }

        .partner-placeholder {
            padding: 20px 28px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.05em;
            transition: all var(--transition-fast);
            background: var(--bg-secondary);
            text-align: center;
            min-width: 120px;
        }

        .partner-placeholder:hover {
            border-color: var(--accent-green);
            color: var(--text-secondary);
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-green);
            background: var(--bg-secondary);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-green-strong);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-question:hover,
        .faq-question:focus-visible {
            color: var(--accent-green);
        }

        .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border: 1px solid var(--border-green-strong);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-green);
            transition: all var(--transition-fast);
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.1);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-mid), padding var(--transition-mid);
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            border-left: 3px solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
            border-left-color: var(--accent-green);
        }

        /* ===== Guarantee Bar ===== */
        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .guarantee-icon {
            width: 40px;
            height: 40px;
            border: 2px solid var(--accent-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: 700;
            color: var(--accent-green);
        }

        .guarantee-text {
            font-size: 0.9rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        .guarantee-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== CTA Form ===== */
        .cta-wrapper {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 40px;
            align-items: start;
        }

        .cta-form {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            padding: 32px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-input,
        .form-select {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .form-input:focus,
        .form-select:focus {
            border-color: var(--accent-green);
            outline: none;
            box-shadow: 0 0 0 3px rgba(184, 243, 46, 0.15);
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        .form-select option {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .cta-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .cta-info-item {
            padding: 18px 20px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            background: var(--bg-secondary);
        }

        .cta-info-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }

        .cta-info-value {
            font-size: 0.95rem;
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ===== Scene Grid ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--bg-light);
            border: 1px solid rgba(20, 42, 26, 0.12);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-mid);
            cursor: pointer;
        }

        .scene-card:hover {
            border-color: #3D6B1E;
            box-shadow: 0 6px 20px rgba(20, 42, 26, 0.08);
            transform: translateY(-3px);
        }

        .scene-card-icon {
            font-size: 1.8rem;
            color: #3D6B1E;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .scene-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .scene-card-desc {
            font-size: 0.85rem;
            color: var(--text-dark-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .scene-card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: #3D6B1E;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .scene-card-link:hover {
            color: #2C4F13;
        }

        /* ===== Newsletter ===== */
        .newsletter-bar {
            display: grid;
            grid-template-columns: 1fr 0.8fr;
            gap: 32px;
            align-items: center;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
        }

        .newsletter-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .newsletter-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .newsletter-form {
            display: flex;
            gap: 12px;
        }

        .newsletter-input {
            flex: 1;
            padding: 13px 18px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .newsletter-input:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(184, 243, 46, 0.15);
        }

        /* ===== Quick Access ===== */
        .quick-access-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .quick-access-card {
            padding: 24px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            text-align: center;
            transition: all var(--transition-mid);
            cursor: pointer;
        }

        .quick-access-card:hover {
            border-color: var(--accent-green);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .quick-access-icon {
            font-size: 2rem;
            color: var(--accent-green);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .quick-access-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.8fr 0.8fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 260px;
        }

        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-link {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: all var(--transition-fast);
        }

        .footer-link:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }

        .footer-contact-item {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-green);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container,
            .header-inner {
                padding-left: 24px;
                padding-right: 24px;
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .flow-step::after {
                display: none;
            }

            .case-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .brand-intro-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .guarantee-bar {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .cta-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .newsletter-bar {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: left;
            }

            .quick-access-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .drawer-panel {
                width: 70vw;
            }
        }

        @media (max-width: 767px) {
            :root {
                --header-height: 60px;
            }

            .container,
            .header-inner {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 48px 0;
            }

            .site-header {
                height: var(--header-height);
            }

            .header-cta .cta-text {
                display: none;
            }

            .header-cta .cta-icon {
                display: inline;
                font-size: 1.1rem;
            }

            .header-cta {
                padding: 10px 14px;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding: 60px 16px 48px;
            }

            .hero-title {
                font-size: clamp(1.8rem, 8vw, 2.4rem);
            }

            .hero-desc {
                font-size: 0.9rem;
            }

            .hero-stats {
                gap: 14px 24px;
            }

            .hero-stat-value {
                font-size: 1.3rem;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .stats-bar-value {
                font-size: 2.2rem;
            }

            .flow-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .case-grid {
                grid-template-columns: 1fr;
            }

            .brand-data-cards {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .guarantee-bar {
                grid-template-columns: 1fr;
                padding: 24px;
            }

            .newsletter-form {
                flex-direction: column;
            }

            .newsletter-bar {
                padding: 24px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .quick-access-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .drawer-panel {
                width: 85vw;
                min-width: 280px;
            }

            .drawer-nav-grid {
                grid-template-columns: 1fr;
                gap: 2px 0;
            }

            .drawer-body {
                padding: 60px 24px 32px;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .service-card-img {
                height: 140px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0C1F14;
            --bg-secondary: #142B1D;
            --bg-tertiary: #0A1710;
            --bg-light: #F5F2E8;
            --accent-green: #B8F32E;
            --accent-green-hover: #A6DE24;
            --accent-gold: #E8A33D;
            --text-primary: #F2F5EC;
            --text-secondary: #A8B8A0;
            --text-muted: #6D7F68;
            --text-dark: #14201A;
            --text-dark-secondary: #4A5A4D;
            --border-green: rgba(184, 243, 46, 0.18);
            --border-green-strong: rgba(184, 243, 46, 0.45);
            --radius-lg: 4px;
            --radius-md: 6px;
            --radius-sm: 2px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --transition-fast: 0.15s ease-out;
            --transition-mid: 0.25s ease-out;
            --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            --max-width: 1240px;
            --header-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-green);
            z-index: 100;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border: 2px solid var(--accent-green);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: var(--bg-secondary);
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            border: 2px solid var(--accent-green);
            transform: rotate(45deg);
            border-radius: 2px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all var(--transition-fast);
            background: transparent;
            flex-shrink: 0;
        }

        .hamburger:hover {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .hamburger:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .hamburger-line {
            width: 20px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }

        .site-header.menu-open .hamburger-line:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }

        .site-header.menu-open .hamburger-line:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .site-header.menu-open .hamburger-line:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        .header-cta {
            padding: 10px 24px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .header-cta:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .header-cta:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .header-cta .cta-icon {
            display: none;
        }

        /* ===== Drawer ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 23, 16, 0.72);
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-mid), visibility var(--transition-mid);
        }

        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .drawer-panel {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 60%;
            max-width: 480px;
            background: var(--bg-tertiary);
            z-index: 210;
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            border-right: 1px solid var(--border-green);
            overflow-y: auto;
            padding: 24px 28px 40px;
            display: flex;
            flex-direction: column;
        }

        .drawer-panel.active {
            transform: translateX(0);
        }

        .drawer-close {
            align-self: flex-end;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green);
            font-size: 1.4rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            margin-bottom: 20px;
            flex-shrink: 0;
        }

        .drawer-close:hover {
            background: rgba(184, 243, 46, 0.08);
            border-color: var(--accent-green);
        }

        .drawer-close:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .drawer-nav-label {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--text-muted);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .drawer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px 18px;
            margin-bottom: 28px;
        }

        .drawer-link {
            display: block;
            padding: 10px 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .drawer-link:hover,
        .drawer-link.active {
            color: var(--accent-green);
            border-bottom-color: var(--border-green-strong);
        }

        .drawer-link:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .drawer-subsection {
            margin-bottom: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-green);
        }

        .drawer-contact-item {
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 4px 0;
        }

        .drawer-announcements {
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px solid var(--border-green);
        }

        .drawer-announcement-item {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .drawer-announcement-item::before {
            content: '';
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            background: var(--accent-gold);
            border-radius: 50%;
            margin-top: 9px;
        }

        /* ===== Page Header / H1 Area ===== */
        .page-header {
            padding: 140px 0 40px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-green);
        }

        .page-header-grid {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
        }

        .page-header-content {
            flex: 1;
            min-width: 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        .page-header h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .page-header-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }

        .page-header-stats {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            flex-shrink: 0;
            width: 280px;
        }

        .stat-card-mini {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            transition: border-color var(--transition-fast);
        }

        .stat-card-mini:hover {
            border-color: var(--border-green-strong);
        }

        .stat-card-mini .stat-number {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .stat-card-mini .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ===== Main ===== */
        .page-main {
            padding: 48px 0 0;
        }

        .page-main section {
            margin-bottom: 56px;
        }

        .section-head {
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.35;
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }

        .section-head .section-sub {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 640px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-green);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-sm);
            padding: 4px 10px;
            margin-bottom: 14px;
        }

        /* ===== Article List ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card {
            display: flex;
            align-items: stretch;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-mid);
            gap: 0;
        }

        .article-card:hover {
            border-color: var(--border-green-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .article-card .article-img {
            flex-shrink: 0;
            width: 220px;
            min-height: 140px;
            position: relative;
            overflow: hidden;
        }

        .article-card .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .article-card:hover .article-img img {
            transform: scale(1.04);
        }

        .article-card .article-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
            min-width: 0;
        }

        .article-card.reverse {
            flex-direction: row-reverse;
        }

        .article-card .article-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            transition: color var(--transition-fast);
        }

        .article-card:hover .article-title {
            color: var(--accent-green);
        }

        .article-card .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .article-card .article-meta .meta-date {
            font-family: var(--font-mono);
        }

        .article-card .article-excerpt {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .article-card .article-link {
            font-size: 0.88rem;
            color: var(--accent-green);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
            align-self: flex-start;
            margin-top: auto;
        }

        .article-card .article-link:hover {
            gap: 10px;
            color: var(--accent-green-hover);
        }

        .article-card .article-link::after {
            content: '→';
            font-size: 1.1rem;
            line-height: 1;
        }

        /* ===== Data Summary Strip ===== */
        .data-strip {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-strip-item {
            text-align: center;
            padding: 8px 12px;
            border-right: 1px solid var(--border-green);
        }

        .data-strip-item:last-child {
            border-right: none;
        }

        .data-strip-item .strip-number {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .data-strip-item .strip-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== Topic Cards ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            border-color: var(--border-green-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .topic-card .topic-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .topic-card .topic-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(transparent, var(--bg-secondary));
        }

        .topic-card .topic-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .topic-card .topic-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .topic-card:hover .topic-title {
            color: var(--accent-green);
        }

        .topic-card .topic-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .topic-card .topic-link {
            font-size: 0.88rem;
            color: var(--accent-green);
            font-weight: 600;
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .topic-card .topic-link:hover {
            gap: 10px;
        }

        .topic-card .topic-link::after {
            content: '→';
            font-size: 1.1rem;
            line-height: 1;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-strip {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-strip .subscribe-text h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .subscribe-strip .subscribe-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-green-strong);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .btn-outline:hover {
            background: #1B3A28;
            color: var(--accent-green);
            border-color: var(--accent-green);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud a {
            padding: 7px 16px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .tag-cloud a:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.06);
        }

        .tag-cloud a:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            padding: 32px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-green);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            background: transparent;
        }

        .faq-question:hover {
            color: var(--accent-green);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-green);
            transition: all var(--transition-fast);
            font-weight: 400;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(184, 243, 46, 0.1);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding-left: 4px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 0 18px 4px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--accent-green);
            padding-left: 16px;
        }

        /* ===== Bottom CTA ===== */
        .bottom-cta {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .bottom-cta .cta-left h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .bottom-cta .cta-left p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 480px;
        }

        .bottom-cta .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            padding: 48px 0 24px;
            margin-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 14px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .footer-link {
            display: block;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-fast);
            font-weight: 500;
        }

        .footer-link:hover {
            color: var(--accent-green);
        }

        .footer-contact-item {
            font-size: 0.88rem;
            color: var(--text-secondary);
            padding: 5px 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-green);
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .page-header-grid {
                flex-direction: column;
                gap: 24px;
            }
            .page-header-stats {
                width: 100%;
                grid-template-columns: repeat(3, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip-item {
                border-right: none;
                border-bottom: 1px solid var(--border-green);
            }
            .data-strip-item:nth-child(2n) {
                border-right: none;
            }
            .data-strip-item:nth-child(3),
            .data-strip-item:nth-child(4) {
                border-bottom: none;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-card .article-img {
                width: 180px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 18px;
            }
            .header-inner {
                padding: 0 18px;
            }
            .header-cta {
                padding: 10px 14px;
            }
            .header-cta .cta-text {
                display: none;
            }
            .header-cta .cta-icon {
                display: inline;
                font-size: 1.1rem;
            }
            .page-header {
                padding: 110px 0 28px;
            }
            .page-header-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card-mini .stat-number {
                font-size: 1.4rem;
            }
            .article-card {
                flex-direction: column !important;
            }
            .article-card .article-img {
                width: 100%;
                min-height: 160px;
                height: 160px;
            }
            .article-card .article-body {
                padding: 16px 18px;
            }
            .article-card .article-title {
                font-size: 1.05rem;
            }
            .article-card .article-excerpt {
                font-size: 0.85rem;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 20px 16px;
                gap: 12px;
            }
            .data-strip-item .strip-number {
                font-size: 1.8rem;
            }
            .data-strip-item .strip-label {
                font-size: 0.8rem;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .topic-card .topic-img {
                height: 130px;
            }
            .subscribe-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px 20px;
            }
            .bottom-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 26px 22px;
            }
            .bottom-cta .cta-actions {
                width: 100%;
            }
            .bottom-cta .btn-primary,
            .bottom-cta .btn-outline {
                flex: 1;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .drawer-panel {
                width: 85%;
                max-width: 360px;
                padding: 18px 20px 32px;
            }
            .drawer-grid {
                grid-template-columns: 1fr;
                gap: 2px;
            }
            .faq-section {
                padding: 20px 18px;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 0;
            }
        }

        @media (max-width: 520px) {
            .page-header h1 {
                font-size: 1.7rem;
            }
            .page-header-stats {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 16px 12px;
            }
            .data-strip-item .strip-number {
                font-size: 1.5rem;
            }
            .section-head h2 {
                font-size: 1.25rem;
            }
            .article-card .article-img {
                height: 130px;
                min-height: 130px;
            }
            .article-card .article-body {
                padding: 14px 14px;
            }
            .tag-cloud a {
                padding: 5px 12px;
                font-size: 0.78rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0C1F14;
            --bg-secondary: #142B1D;
            --bg-tertiary: #0A1710;
            --bg-light: #F5F2E8;
            --accent-green: #B8F32E;
            --accent-green-hover: #A6DE24;
            --accent-gold: #E8A33D;
            --text-primary: #F2F5EC;
            --text-secondary: #A8B8A0;
            --text-muted: #6D7F68;
            --text-dark: #14201A;
            --text-dark-secondary: #4A5A4D;
            --border-green: rgba(184, 243, 46, 0.18);
            --border-green-strong: rgba(184, 243, 46, 0.45);
            --radius-lg: 4px;
            --radius-md: 6px;
            --radius-sm: 2px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --transition-fast: 0.15s ease-out;
            --transition-mid: 0.25s ease-out;
            --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            --max-width: 1240px;
            --header-height: 68px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-green);
            z-index: 100;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border: 2px solid var(--accent-green);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: var(--bg-secondary);
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            border: 2px solid var(--accent-green);
            transform: rotate(45deg);
            border-radius: 2px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all var(--transition-fast);
            background: transparent;
        }

        .hamburger:hover {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .hamburger-line {
            width: 20px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .header-cta {
            padding: 10px 24px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .header-cta:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .header-cta:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .header-cta .cta-icon {
            display: none;
        }

        /* ===== Drawer Navigation ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 23, 16, 0.72);
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-mid), visibility var(--transition-mid);
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer-panel {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: min(420px, 85vw);
            background: var(--bg-secondary);
            border-right: 1px solid var(--border-green-strong);
            z-index: 300;
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            padding: 28px 32px 40px;
            display: flex;
            flex-direction: column;
        }

        .drawer-panel.open {
            transform: translateX(0);
        }

        .drawer-close {
            align-self: flex-end;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 1.4rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .drawer-close:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .drawer-nav-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin-top: 28px;
        }

        .drawer-nav-link {
            padding: 14px 16px;
            background: rgba(184, 243, 46, 0.05);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            display: block;
        }

        .drawer-nav-link:hover,
        .drawer-nav-link.active {
            background: rgba(184, 243, 46, 0.14);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .drawer-quick-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 22px;
        }

        .drawer-quick-link {
            padding: 8px 16px;
            background: var(--bg-tertiary);
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .drawer-quick-link:hover {
            color: var(--accent-green);
            border-color: var(--border-green);
        }

        .drawer-contact {
            margin-top: auto;
            padding-top: 24px;
            border-top: 1px solid var(--border-green);
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .drawer-contact strong {
            color: var(--text-secondary);
            display: block;
            margin-bottom: 4px;
            font-size: 0.85rem;
        }

        .drawer-notices {
            margin-top: 18px;
            padding: 14px 16px;
            background: var(--bg-tertiary);
            border-left: 3px solid var(--accent-gold);
            border-radius: var(--radius-sm);
        }

        .drawer-notices-title {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .drawer-notice-item {
            font-size: 0.78rem;
            color: var(--text-secondary);
            line-height: 1.5;
            padding: 3px 0;
            display: block;
        }

        /* ===== Main Layout ===== */
        main {
            padding-top: var(--header-height);
            min-height: 100vh;
        }

        .section {
            padding: 64px 0;
            border-bottom: 1px solid var(--border-green);
        }

        .section-alt {
            background: var(--bg-tertiary);
        }

        .section-light {
            background: var(--bg-light);
            color: var(--text-dark);
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .section-title.light {
            color: var(--text-dark);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .section-subtitle.light {
            color: var(--text-dark-secondary);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb .sep {
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ===== Category H1 Section ===== */
        .cat-hero {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: center;
            padding: 48px 0 40px;
        }

        .cat-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .cat-hero .cat-hero-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            margin-top: 12px;
            max-width: 560px;
            line-height: 1.8;
        }

        .cat-hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .cat-hero-stat {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            text-align: center;
        }

        .cat-hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .cat-hero-stat .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Card List Alternating ===== */
        .card-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .card-item {
            display: grid;
            grid-template-columns: 1fr 180px;
            gap: 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-mid);
            padding: 20px;
        }

        .card-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green-strong);
            transform: translateY(-2px);
        }

        .card-item.reverse {
            grid-template-columns: 180px 1fr;
        }

        .card-item.reverse .card-media {
            order: 1;
        }
        .card-item.reverse .card-content {
            order: 2;
        }

        .card-media {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            height: 110px;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .card-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

        .card-content .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        .card-item:hover .card-title {
            color: var(--accent-green);
        }

        .card-content .card-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-content .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .card-content .card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-green);
            transition: color var(--transition-fast);
            align-self: flex-start;
        }

        .card-content .card-link:hover {
            color: var(--accent-green-hover);
        }

        /* ===== Data Strip ===== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-strip-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            transition: all var(--transition-mid);
        }

        .data-strip-item:hover {
            border-color: var(--border-green-strong);
        }

        .data-strip-item .data-num {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .data-strip-item .data-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ===== Topic Cards ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            position: relative;
            display: block;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 200px;
            border: 1px solid var(--border-green);
            transition: all var(--transition-mid);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-green);
        }

        .topic-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.72;
            transition: opacity var(--transition-mid);
        }

        .topic-card:hover img {
            opacity: 0.9;
        }

        .topic-card .topic-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(12, 31, 20, 0.92), rgba(12, 31, 20, 0.2) 70%, transparent);
        }

        .topic-card .topic-tag {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent-green);
            background: rgba(12, 31, 20, 0.75);
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            display: inline-block;
            margin-bottom: 8px;
            border: 1px solid var(--border-green-strong);
        }

        .topic-card .topic-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
        }

        /* ===== CTA Bar ===== */
        .cta-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 28px 28px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-md);
            flex-wrap: wrap;
        }

        .cta-bar-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-bar-text .cta-bar-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .cta-bar-text .cta-bar-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent-green);
            color: var(--bg-primary);
            border-color: var(--accent-green);
        }

        .btn-primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-green);
            border-color: var(--border-green-strong);
        }

        .btn-outline:hover {
            background: rgba(184, 243, 46, 0.1);
            border-color: var(--accent-green);
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-link {
            padding: 8px 18px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: 20px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .tag-link:hover {
            color: var(--accent-green);
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        /* ===== Support Blocks ===== */
        .support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .support-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 28px;
        }

        .support-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .support-card .update-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-green);
            font-size: 0.88rem;
            color: var(--text-secondary);
        }

        .support-card .update-item:last-child {
            border-bottom: none;
        }

        .update-item .update-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            flex-shrink: 0;
        }

        .term-list {
            list-style: none;
        }

        .term-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-green);
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            gap: 8px;
        }

        .term-list li:last-child {
            border-bottom: none;
        }

        .term-list li strong {
            color: var(--accent-green);
            font-weight: 600;
            flex-shrink: 0;
            min-width: 72px;
        }

        /* ===== Bottom CTA ===== */
        .bottom-cta {
            text-align: center;
            padding: 48px 0;
        }

        .bottom-cta .bottom-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .bottom-cta .bottom-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .bottom-cta .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 14px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--accent-green);
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .footer-link {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

        .footer-link:hover {
            color: var(--accent-green);
        }

        .footer-contact-item {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 5px 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-green);
            padding-top: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                padding: 0 20px;
            }
            .cat-hero {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cat-hero-stats {
                grid-template-columns: repeat(4, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-item,
            .card-item.reverse {
                grid-template-columns: 1fr 150px;
            }
            .card-item.reverse .card-media {
                order: 0;
            }
            .card-item.reverse .card-content {
                order: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767px) {
            :root {
                --header-height: 56px;
            }
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cat-hero {
                padding: 32px 0 24px;
            }
            .cat-hero h1 {
                font-size: 1.6rem;
            }
            .cat-hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .cat-hero-stat .stat-num {
                font-size: 1.15rem;
            }
            .card-item,
            .card-item.reverse {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }
            .card-item.reverse .card-media {
                order: 2;
            }
            .card-item.reverse .card-content {
                order: 1;
            }
            .card-media {
                height: 100px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-strip-item .data-num {
                font-size: 1.7rem;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .topic-card {
                height: 160px;
            }
            .cta-bar {
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }
            .cta-bar .btn {
                justify-content: center;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .header-cta .cta-text {
                display: none;
            }
            .header-cta .cta-icon {
                display: inline-block;
            }
            .header-cta {
                padding: 10px 14px;
            }
            .drawer-panel {
                width: 88vw;
                padding: 20px 20px 32px;
            }
            .drawer-nav-grid {
                grid-template-columns: 1fr;
            }
            .bottom-cta .bottom-title {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .cat-hero-stats {
                grid-template-columns: 1fr 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr;
            }
            .data-strip-item {
                padding: 18px 12px;
            }
            .data-strip-item .data-num {
                font-size: 1.5rem;
            }
            .card-content .card-title {
                font-size: 0.92rem;
            }
            .card-content .card-summary {
                font-size: 0.8rem;
                -webkit-line-clamp: 2;
            }
            .tags-cloud {
                gap: 6px;
            }
            .tag-link {
                padding: 6px 14px;
                font-size: 0.76rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category4 */
:root {
        --bg-primary: #0C1F14;
        --bg-secondary: #142B1D;
        --bg-tertiary: #0A1710;
        --bg-light: #F5F2E8;
        --accent-green: #B8F32E;
        --accent-green-hover: #A6DE24;
        --accent-gold: #E8A33D;
        --text-primary: #F2F5EC;
        --text-secondary: #A8B8A0;
        --text-muted: #6D7F68;
        --text-dark: #14201A;
        --text-dark-secondary: #4A5A4D;
        --border-green: rgba(184, 243, 46, 0.18);
        --border-green-strong: rgba(184, 243, 46, 0.45);
        --radius-lg: 4px;
        --radius-md: 6px;
        --radius-sm: 2px;
        --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
        --transition-fast: 0.15s ease-out;
        --transition-mid: 0.25s ease-out;
        --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        --max-width: 1240px;
        --header-height: 60px;
    }
    html {
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        scroll-behavior: smooth;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--bg-primary);
        color: var(--text-primary);
        line-height: 1.7;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        background: none;
        color: inherit;
    }
    button {
        cursor: pointer;
    }
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 32px;
    }
    :focus-visible {
        outline: 2px solid var(--accent-green);
        outline-offset: 3px;
    }
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            transition-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }

    /* ===== Header ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--header-height);
        background: rgba(12, 31, 20, 0.94);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-green);
        z-index: 100;
        display: flex;
        align-items: center;
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 32px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.3rem;
        color: var(--text-primary);
        letter-spacing: 0.02em;
    }
    .logo-icon {
        width: 34px;
        height: 34px;
        border: 2px solid var(--accent-green);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        background: var(--bg-secondary);
        flex-shrink: 0;
    }
    .logo-icon::before {
        content: '';
        position: absolute;
        width: 14px;
        height: 14px;
        border: 2px solid var(--accent-green);
        transform: rotate(45deg);
        border-radius: 2px;
    }
    .logo-icon::after {
        content: '';
        position: absolute;
        width: 4px;
        height: 4px;
        background: var(--accent-green);
        border-radius: 50%;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .hamburger {
        width: 42px;
        height: 42px;
        border: 1px solid var(--border-green);
        border-radius: var(--radius-sm);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 6px;
        transition: all var(--transition-fast);
        background: transparent;
    }
    .hamburger:hover {
        border-color: var(--accent-green);
        background: rgba(184, 243, 46, 0.08);
    }
    .hamburger-line {
        width: 20px;
        height: 3px;
        background: var(--accent-green);
        border-radius: 2px;
        transition: all var(--transition-fast);
    }
    .hamburger.active .hamburger-line:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .hamburger.active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .hamburger-line:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    .header-cta {
        padding: 10px 24px;
        background: var(--accent-green);
        color: var(--bg-primary);
        font-weight: 700;
        font-size: 0.9rem;
        border-radius: var(--radius-sm);
        border: 1px solid var(--accent-green);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .header-cta:hover {
        background: var(--accent-green-hover);
        border-color: var(--accent-green-hover);
        box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
    }
    .header-cta .cta-icon {
        display: none;
    }

    /* ===== Drawer Nav ===== */
    .drawer-overlay {
        position: fixed;
        inset: 0;
        background: rgba(10, 23, 16, 0.72);
        z-index: 200;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-mid), visibility var(--transition-mid);
    }
    .drawer-overlay.open {
        opacity: 1;
        visibility: visible;
    }
    .drawer-panel {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(60vw, 480px);
        background: var(--bg-tertiary);
        border-right: 1px solid var(--border-green);
        z-index: 210;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
        padding: 28px 32px;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
    }
    .drawer-panel.open {
        transform: translateX(0);
    }
    .drawer-panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 32px;
    }
    .drawer-panel-header .logo {
        font-size: 1.2rem;
    }
    .drawer-close {
        width: 36px;
        height: 36px;
        border: 1px solid var(--border-green);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        color: var(--accent-green);
        transition: all var(--transition-fast);
    }
    .drawer-close:hover {
        border-color: var(--accent-green);
        background: rgba(184, 243, 46, 0.08);
    }
    .drawer-section-title {
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--text-muted);
        margin-bottom: 12px;
        font-weight: 500;
    }
    .drawer-nav-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        margin-bottom: 28px;
    }
    .drawer-nav-link {
        padding: 12px 14px;
        border: 1px solid var(--border-green);
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-primary);
        transition: all var(--transition-fast);
    }
    .drawer-nav-link:hover,
    .drawer-nav-link.active {
        border-color: var(--accent-green);
        background: rgba(184, 243, 46, 0.1);
        color: var(--accent-green);
    }
    .drawer-quick-links {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 28px;
    }
    .drawer-quick-link {
        padding: 8px 16px;
        border: 1px solid var(--border-green);
        border-radius: var(--radius-sm);
        font-size: 0.85rem;
        color: var(--text-secondary);
        transition: all var(--transition-fast);
    }
    .drawer-quick-link:hover {
        border-color: var(--accent-green);
        color: var(--accent-green);
    }
    .drawer-contact {
        padding: 16px;
        border: 1px solid var(--border-green);
        border-radius: var(--radius-md);
        margin-bottom: 24px;
    }
    .drawer-contact-item {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: 4px;
    }
    .drawer-announcement {
        padding: 16px;
        border-left: 3px solid var(--accent-green);
        background: var(--bg-secondary);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin-bottom: 10px;
    }
    .drawer-announcement-text {
        font-size: 0.85rem;
        color: var(--text-secondary);
    }

    /* ===== Page Main ===== */
    main {
        padding-top: var(--header-height);
    }
    .page-section {
        padding: 48px 0;
    }
    .section-header {
        margin-bottom: 32px;
    }
    .section-title {
        font-size: 2rem;
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 8px;
        letter-spacing: 0.02em;
    }
    .section-title .accent {
        color: var(--accent-green);
    }
    .section-subtitle {
        font-size: 1rem;
        color: var(--text-secondary);
        max-width: 640px;
        line-height: 1.7;
    }

    /* ===== Breadcrumbs ===== */
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--text-muted);
        margin-bottom: 24px;
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
        color: var(--accent-green);
    }
    .breadcrumb .sep {
        color: var(--text-muted);
    }
    .breadcrumb .current {
        color: var(--accent-green);
    }

    /* ===== Category H1 Area ===== */
    .cat-hero {
        background: var(--bg-tertiary);
        border-bottom: 1px solid var(--border-green);
        padding: 40px 0 48px;
    }
    .cat-hero-grid {
        display: flex;
        gap: 40px;
        align-items: flex-start;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .cat-hero-left {
        flex: 1;
        min-width: 280px;
    }
    .cat-hero-left h1 {
        font-size: 2.4rem;
        font-weight: 800;
        color: var(--text-primary);
        line-height: 1.25;
        margin-bottom: 12px;
    }
    .cat-hero-left h1 .cat-name {
        color: var(--accent-green);
    }
    .cat-hero-left .cat-brief {
        font-size: 1rem;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 560px;
    }
    .cat-hero-right {
        flex: 0 0 300px;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .cat-stat-card {
        background: var(--bg-secondary);
        border: 1px solid var(--border-green);
        border-radius: var(--radius-md);
        padding: 16px 20px;
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .cat-stat-icon {
        width: 40px;
        height: 40px;
        border: 1px solid var(--border-green);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-green);
        font-size: 1.2rem;
        flex-shrink: 0;
    }
    .cat-stat-info .cat-stat-value {
        font-size: 1.4rem;
        font-weight: 800;
        font-family: var(--font-mono);
        color: var(--accent-green);
        line-height: 1.2;
    }
    .cat-stat-info .cat-stat-label {
        font-size: 0.8rem;
        color: var(--text-muted);
    }

    /* ===== Article List Cards ===== */
    .article-card-row {
        display: flex;
        gap: 20px;
        padding: 20px;
        background: var(--bg-secondary);
        border: 1px solid var(--border-green);
        border-radius: var(--radius-md);
        margin-bottom: 20px;
        transition: all var(--transition-mid);
    }
    .article-card-row:hover {
        border-color: var(--border-green-strong);
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .article-card-row.reverse {
        flex-direction: row-reverse;
    }
    .article-card-img {
        flex: 0 0 140px;
        height: 100px;
        border-radius: var(--radius-sm);
        overflow: hidden;
    }
    .article-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .article-card-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .article-card-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.5;
        margin-bottom: 6px;
    }
    .article-card-title a:hover {
        color: var(--accent-green);
    }
    .article-card-summary {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 8px;
    }
    .article-card-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .article-card-meta .update-time {
        font-family: var(--font-mono);
    }
    .article-card-meta .read-more {
        color: var(--accent-green);
        font-weight: 600;
        transition: color var(--transition-fast);
    }
    .article-card-meta .read-more:hover {
        color: var(--accent-green-hover);
    }

    .list-more-wrap {
        text-align: center;
        margin-top: 28px;
    }
    .btn-primary {
        display: inline-block;
        padding: 12px 28px;
        background: var(--accent-green);
        color: var(--bg-primary);
        font-weight: 700;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        border: 1px solid var(--accent-green);
        transition: all var(--transition-fast);
    }
    .btn-primary:hover {
        background: var(--accent-green-hover);
        border-color: var(--accent-green-hover);
        box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
    }
    .btn-outline {
        display: inline-block;
        padding: 12px 28px;
        background: transparent;
        color: var(--accent-green);
        font-weight: 700;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-green-strong);
        transition: all var(--transition-fast);
    }
    .btn-outline:hover {
        background: #1B3A28;
        border-color: var(--accent-green);
        color: var(--accent-green);
    }

    /* ===== Data Summary Bar ===== */
    .data-summary-bar {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-green);
        border-bottom: 1px solid var(--border-green);
        padding: 32px 0;
    }
    .data-summary-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        text-align: center;
    }
    .data-summary-item .data-value {
        font-size: 2.4rem;
        font-weight: 800;
        font-family: var(--font-mono);
        color: var(--accent-green);
        line-height: 1.2;
    }
    .data-summary-item .data-label {
        font-size: 0.9rem;
        color: var(--text-secondary);
        margin-top: 4px;
    }

    /* ===== Topic Cards ===== */
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .topic-card {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        min-height: 220px;
        display: flex;
        align-items: flex-end;
        border: 1px solid var(--border-green);
        transition: all var(--transition-mid);
    }
    .topic-card:hover {
        border-color: var(--accent-green);
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
    }
    .topic-card-bg {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 0;
    }
    .topic-card-overlay {
        position: relative;
        z-index: 1;
        padding: 24px;
        background: linear-gradient(to top, rgba(10, 23, 16, 0.92) 30%, rgba(10, 23, 16, 0.3) 100%);
        width: 100%;
    }
    .topic-card-tag {
        display: inline-block;
        padding: 4px 10px;
        background: var(--accent-green);
        color: var(--bg-primary);
        font-size: 0.7rem;
        font-weight: 700;
        border-radius: var(--radius-sm);
        margin-bottom: 10px;
    }
    .topic-card-title {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .topic-card-link {
        font-size: 0.85rem;
        color: var(--accent-green);
        font-weight: 600;
    }
    .topic-card-link:hover {
        color: var(--accent-green-hover);
    }

    /* ===== Subscribe CTA ===== */
    .subscribe-bar {
        background: var(--bg-tertiary);
        border: 1px solid var(--border-green-strong);
        border-radius: var(--radius-md);
        padding: 32px 36px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }
    .subscribe-bar-left h3 {
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .subscribe-bar-left p {
        font-size: 0.9rem;
        color: var(--text-secondary);
    }
    .subscribe-bar .btn-primary {
        flex-shrink: 0;
    }

    /* ===== Tag Cloud ===== */
    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .tag-cloud a {
        padding: 8px 16px;
        background: var(--bg-secondary);
        border: 1px solid var(--border-green);
        border-radius: var(--radius-sm);
        font-size: 0.85rem;
        color: var(--text-secondary);
        transition: all var(--transition-fast);
    }
    .tag-cloud a:hover {
        border-color: var(--accent-green);
        color: var(--accent-green);
        background: rgba(184, 243, 46, 0.08);
    }

    /* ===== Term Support ===== */
    .term-card {
        background: var(--bg-secondary);
        border: 1px solid var(--border-green);
        border-radius: var(--radius-md);
        padding: 24px;
        margin-bottom: 20px;
    }
    .term-card h4 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--accent-green);
        margin-bottom: 8px;
    }
    .term-card p {
        font-size: 0.95rem;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    /* ===== Bottom CTA ===== */
    .bottom-cta {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-green);
        border-bottom: 1px solid var(--border-green);
        padding: 48px 0;
        text-align: center;
    }
    .bottom-cta h2 {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 12px;
    }
    .bottom-cta p {
        font-size: 1rem;
        color: var(--text-secondary);
        max-width: 560px;
        margin: 0 auto 24px;
    }
    .bottom-cta-links {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-tertiary);
        border-top: 1px solid var(--border-green);
        padding: 48px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand-desc {
        font-size: 0.85rem;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-top: 12px;
        max-width: 280px;
    }
    .footer-col-title {
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
    }
    .footer-link {
        display: block;
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: 10px;
        transition: color var(--transition-fast);
    }
    .footer-link:hover {
        color: var(--accent-green);
    }
    .footer-contact-item {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: 8px;
    }
    .footer-bottom {
        border-top: 1px solid var(--border-green);
        padding-top: 20px;
        text-align: center;
        font-size: 0.8rem;
        color: var(--text-muted);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .container {
            padding: 0 24px;
        }
        .header-inner {
            padding: 0 24px;
        }
        .topic-grid {
            grid-template-columns: 1fr 1fr;
        }
        .data-summary-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .cat-hero-grid {
            flex-direction: column;
        }
        .cat-hero-right {
            flex: 0 0 auto;
            width: 100%;
            flex-direction: row;
            flex-wrap: wrap;
        }
        .cat-stat-card {
            flex: 1 1 45%;
        }
    }
    @media (max-width: 767px) {
        .container {
            padding: 0 16px;
        }
        .header-inner {
            padding: 0 16px;
        }
        .header-cta {
            padding: 8px 12px;
            font-size: 0.8rem;
        }
        .header-cta .cta-text {
            display: none;
        }
        .header-cta .cta-icon {
            display: inline;
            font-size: 1.1rem;
        }
        .section-title {
            font-size: 1.5rem;
        }
        .cat-hero-left h1 {
            font-size: 1.8rem;
        }
        .article-card-row,
        .article-card-row.reverse {
            flex-direction: column;
        }
        .article-card-img {
            flex: 0 0 auto;
            width: 100%;
            height: 140px;
        }
        .data-summary-grid {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .data-summary-item .data-value {
            font-size: 1.8rem;
        }
        .topic-grid {
            grid-template-columns: 1fr;
        }
        .subscribe-bar {
            flex-direction: column;
            text-align: center;
            padding: 24px 20px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .drawer-panel {
            width: 85vw;
            padding: 20px 16px;
        }
        .drawer-nav-grid {
            grid-template-columns: 1fr;
        }
        .bottom-cta-links {
            flex-direction: column;
            align-items: center;
        }
    }
    @media (min-width: 768px) and (max-width: 1024px) {
        .article-card-row,
        .article-card-row.reverse {
            flex-direction: row;
        }
        .article-card-img {
            flex: 0 0 120px;
        }
    }

/* roulang page: category3 */
:root {
            --bg-primary: #0C1F14;
            --bg-secondary: #142B1D;
            --bg-tertiary: #0A1710;
            --bg-light: #F5F2E8;
            --accent-green: #B8F32E;
            --accent-green-hover: #A6DE24;
            --accent-gold: #E8A33D;
            --text-primary: #F2F5EC;
            --text-secondary: #A8B8A0;
            --text-muted: #6D7F68;
            --text-dark: #14201A;
            --text-dark-secondary: #4A5A4D;
            --border-green: rgba(184, 243, 46, 0.18);
            --border-green-strong: rgba(184, 243, 46, 0.45);
            --radius-lg: 4px;
            --radius-md: 6px;
            --radius-sm: 2px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --transition-fast: 0.15s ease-out;
            --transition-mid: 0.25s ease-out;
            --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            --max-width: 1240px;
            --header-height: 60px;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-green);
            z-index: 100;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border: 2px solid var(--accent-green);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: var(--bg-secondary);
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            border: 2px solid var(--accent-green);
            transform: rotate(45deg);
            border-radius: 2px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all var(--transition-fast);
            background: transparent;
        }

        .hamburger:hover {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .hamburger-line {
            width: 20px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .header-cta {
            padding: 10px 24px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .header-cta .cta-icon {
            display: none;
        }

        /* ===== Drawer Nav ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 23, 16, 0.7);
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-mid), visibility var(--transition-mid);
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer-panel {
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            width: 60%;
            max-width: 560px;
            background: var(--bg-tertiary);
            border-right: 1px solid var(--border-green-strong);
            transform: translateX(-100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            padding: 24px 32px 40px;
            z-index: 210;
        }

        .drawer-overlay.open .drawer-panel {
            transform: translateX(0);
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            color: var(--accent-green);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .drawer-close:hover {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .drawer-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 40px;
        }

        .drawer-nav a {
            display: block;
            padding: 12px 16px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .drawer-nav a:hover,
        .drawer-nav a.active {
            color: var(--accent-green);
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .drawer-section {
            margin-top: 28px;
        }

        .drawer-section-title {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .drawer-quick-links {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .drawer-quick-links a {
            padding: 6px 14px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .drawer-quick-links a:hover {
            color: var(--accent-green);
            border-color: var(--accent-green);
        }

        .drawer-contact {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .drawer-notice {
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 8px 0;
            border-bottom: 1px solid var(--border-green);
        }

        .drawer-notice:last-child {
            border-bottom: none;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb-separator {
            color: var(--accent-green);
            font-family: var(--font-mono);
        }

        .breadcrumb-current {
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ===== Category H1 Section ===== */
        .category-hero {
            padding: calc(var(--header-height) + 48px) 0 48px;
            background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border-green);
        }

        .category-hero-inner {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 40px;
            align-items: center;
        }

        .category-hero-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .category-hero-content .lead-text {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
        }

        .category-stat-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .category-stat-item {
            text-align: center;
        }

        .category-stat-number {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-green);
            display: block;
            line-height: 1.2;
        }

        .category-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== List/Article Cards Section ===== */
        .section-block {
            padding: 56px 0;
            border-bottom: 1px solid var(--border-green);
        }

        .section-wrapper {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .article-card {
            display: grid;
            grid-template-columns: 140px 1fr;
            gap: 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            overflow: hidden;
            padding: 16px;
            transition: all var(--transition-mid);
        }

        .article-card:hover {
            border-color: var(--border-green-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .article-card.reverse {
            grid-template-columns: 1fr 140px;
        }

        .article-card.reverse .article-thumb {
            order: 2;
        }

        .article-card.reverse .article-content {
            order: 1;
        }

        .article-thumb {
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-mid);
        }

        .article-card:hover .article-thumb img {
            transform: scale(1.05);
        }

        .article-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .article-link {
            color: var(--accent-green);
            font-weight: 600;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-link:hover {
            color: var(--accent-green-hover);
        }

        .article-link::after {
            content: '→';
            font-family: var(--font-mono);
        }

        .view-more-btn {
            display: inline-block;
            padding: 12px 28px;
            background: transparent;
            border: 1px solid var(--border-green-strong);
            color: var(--accent-green);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            margin-top: 28px;
            text-align: center;
        }

        .view-more-btn:hover {
            background: rgba(184, 243, 46, 0.08);
            border-color: var(--accent-green);
        }

        /* ===== Data Summary Strip ===== */
        .data-strip {
            background: var(--bg-tertiary);
            padding: 36px 0;
            border-bottom: 1px solid var(--border-green);
        }

        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .data-strip-item .data-strip-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-green);
            display: block;
            line-height: 1.2;
        }

        .data-strip-item .data-strip-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== Topic Entry Section ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-green);
            min-height: 220px;
            display: flex;
            align-items: flex-end;
            transition: all var(--transition-mid);
        }

        .topic-card:hover {
            border-color: var(--border-green-strong);
            box-shadow: var(--shadow-hover);
        }

        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .topic-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 23, 16, 0.2) 0%, rgba(10, 23, 16, 0.85) 100%);
            z-index: 2;
        }

        .topic-card-content {
            position: relative;
            z-index: 3;
            padding: 20px;
            color: var(--text-primary);
        }

        .topic-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .topic-card-link {
            color: var(--accent-green);
            font-size: 0.85rem;
            font-weight: 600;
        }

        .topic-card-link:hover {
            text-decoration: underline;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            padding: 36px 40px;
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-md);
            background: var(--bg-secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            transition: border-color var(--transition-mid);
        }

        .subscribe-cta:hover {
            border-color: var(--accent-green);
        }

        .subscribe-cta-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .subscribe-cta-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .subscribe-btn {
            padding: 12px 28px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .subscribe-btn:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-chip {
            padding: 8px 16px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .tag-chip:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-secondary);
            transition: border-color var(--transition-fast);
        }

        .faq-item.open {
            border-color: var(--accent-green);
            border-left: 3px solid var(--accent-green);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            width: 100%;
            text-align: left;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--accent-green);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border: 1px solid var(--border-green-strong);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-green);
            transition: all var(--transition-fast);
            font-family: var(--font-mono);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.1);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-mid);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 16px;
        }

        /* ===== Bottom CTA ===== */
        .bottom-cta {
            padding: 56px 0;
        }

        .bottom-cta-inner {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
        }

        .bottom-cta-btn {
            padding: 14px 28px;
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .bottom-cta-btn:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .bottom-cta-btn.primary {
            background: var(--accent-green);
            color: var(--bg-primary);
            border-color: var(--accent-green);
        }

        .bottom-cta-btn.primary:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-link {
            display: block;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

        .footer-link:hover {
            color: var(--accent-green);
        }

        .footer-contact-item {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-green);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-cta .cta-text {
                display: none;
            }
            .header-cta .cta-icon {
                display: inline;
                font-size: 1.1rem;
            }
            .header-cta {
                padding: 10px 14px;
            }
            .category-hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .category-stat-card {
                grid-template-columns: repeat(4, 1fr);
                max-width: 480px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .drawer-panel {
                width: 70%;
            }
        }

        @media (max-width: 767px) {
            .container,
            .header-inner,
            .section-wrapper {
                padding: 0 16px;
            }
            .header-cta {
                padding: 10px;
            }
            .category-hero {
                padding: calc(var(--header-height) + 28px) 0 28px;
            }
            .category-hero-content h1 {
                font-size: 1.7rem;
            }
            .category-stat-card {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 16px 12px;
            }
            .category-stat-number {
                font-size: 1.3rem;
            }
            .section-block {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .article-card,
            .article-card.reverse {
                grid-template-columns: 1fr;
            }
            .article-card.reverse .article-thumb {
                order: 0;
            }
            .article-card.reverse .article-content {
                order: 0;
            }
            .article-thumb {
                width: 100%;
                height: 160px;
            }
            .data-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-strip-item .data-strip-number {
                font-size: 1.6rem;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-cta {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .drawer-panel {
                width: 85%;
                padding: 20px 16px 32px;
            }
            .drawer-nav {
                grid-template-columns: 1fr;
            }
            .bottom-cta-inner {
                flex-direction: column;
            }
            .bottom-cta-btn {
                width: 100%;
                text-align: center;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }
            .header-actions {
                gap: 8px;
            }
            .hamburger {
                width: 38px;
                height: 38px;
            }
            .drawer-panel {
                width: 92%;
            }
            .category-stat-card {
                grid-template-columns: 1fr 1fr;
            }
            .data-strip-item .data-strip-number {
                font-size: 1.3rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category5 */
:root {
  --bg-primary: #0C1F14;
  --bg-secondary: #142B1D;
  --bg-tertiary: #0A1710;
  --bg-light: #F5F2E8;
  --accent-green: #B8F32E;
  --accent-green-hover: #A6DE24;
  --accent-gold: #E8A33D;
  --text-primary: #F2F5EC;
  --text-secondary: #A8B8A0;
  --text-muted: #6D7F68;
  --text-dark: #14201A;
  --text-dark-secondary: #4A5A4D;
  --border-green: rgba(184, 243, 46, 0.18);
  --border-green-strong: rgba(184, 243, 46, 0.45);
  --radius-lg: 4px;
  --radius-md: 6px;
  --radius-sm: 2px;
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
  --transition-fast: 0.15s ease-out;
  --transition-mid: 0.25s ease-out;
  --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  --max-width: 1240px;
  --header-height: 68px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

button {
  cursor: pointer;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(12, 31, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-green);
  z-index: 100;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.logo-icon {
  width: 34px;
  height: 34px;
  border: 2px solid var(--accent-green);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.logo-icon::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent-green);
  transform: rotate(45deg);
  border-radius: 2px;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-green);
  border-radius: 50%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hamburger {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-green);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
  background: transparent;
}

.hamburger:hover {
  border-color: var(--accent-green);
  background: rgba(184, 243, 46, 0.08);
}

.hamburger-line {
  width: 20px;
  height: 3px;
  background: var(--accent-green);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.header-cta {
  padding: 10px 24px;
  background: var(--accent-green);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-green);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--accent-green-hover);
  border-color: var(--accent-green-hover);
  box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
}

.header-cta:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
}

.header-cta .cta-icon {
  display: none;
}

/* ===== Drawer Nav ===== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 23, 16, 0.7);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-mid);
}

.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.drawer-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 60%;
  max-width: 520px;
  background: var(--bg-tertiary);
  z-index: 210;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  border-right: 1px solid var(--border-green);
  overflow-y: auto;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.drawer-panel.open {
  transform: translateX(0);
}

.drawer-close {
  align-self: flex-end;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-green);
  border-radius: var(--radius-sm);
  color: var(--accent-green);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.drawer-close:hover {
  background: rgba(184, 243, 46, 0.1);
  border-color: var(--accent-green);
}

.drawer-menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.drawer-menu-link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border-green);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.drawer-menu-link:hover {
  border-color: var(--accent-green);
  background: rgba(184, 243, 46, 0.06);
  color: var(--accent-green);
}

.drawer-menu-link.active {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background: rgba(184, 243, 46, 0.08);
}

.drawer-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 8px;
}

.drawer-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.drawer-quick-link {
  padding: 8px 14px;
  border: 1px solid var(--border-green);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.drawer-quick-link:hover {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.drawer-contact {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

.drawer-announcements {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.drawer-announcements li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 14px;
  position: relative;
}

.drawer-announcements li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
}

/* ===== Breadcrumbs ===== */
.breadcrumbs {
  padding: calc(var(--header-height) + 24px) 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--accent-green);
}

.breadcrumbs .separator {
  margin: 0 8px;
  color: var(--text-muted);
}

.breadcrumbs .current {
  color: var(--accent-green);
  font-weight: 600;
}

/* ===== Category H1 Section ===== */
.category-hero {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: stretch;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--border-green);
}

.category-hero-main {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.category-hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  margin-bottom: 16px;
}

.category-hero h1 .highlight {
  color: var(--accent-green);
}

.category-hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 640px;
}

.category-stats-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.category-stats-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.category-stats-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.category-stats-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-green);
  white-space: nowrap;
}

.category-stats-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
  padding-top: 8px;
  border-top: 1px solid var(--border-green);
}

/* ===== Section Common ===== */
.section {
  padding: 48px 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--accent-green);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ===== Transfer Article List ===== */
.transfer-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.transfer-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition-mid);
  position: relative;
  overflow: hidden;
}

.transfer-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent-green);
  opacity: 0;
  transition: opacity var(--transition-mid);
}

.transfer-card:hover {
  border-color: var(--border-green-strong);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.transfer-card:hover::after {
  opacity: 1;
}

.transfer-card.reverse {
  grid-template-columns: 1fr 140px;
}

.transfer-card.reverse .transfer-card-image {
  order: 2;
}

.transfer-card.reverse .transfer-card-body {
  order: 1;
}

.transfer-card-image {
  width: 140px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.transfer-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-mid);
}

.transfer-card:hover .transfer-card-image img {
  transform: scale(1.04);
}

.transfer-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.transfer-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.transfer-card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(184, 243, 46, 0.12);
  color: var(--accent-green);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.transfer-card-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.transfer-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
  transition: color var(--transition-fast);
}

.transfer-card:hover .transfer-card-title {
  color: var(--accent-green);
}

.transfer-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.transfer-card-link {
  font-size: 0.85rem;
  color: var(--accent-green);
  font-weight: 600;
  align-self: flex-start;
  transition: all var(--transition-fast);
}

.transfer-card-link:hover {
  color: var(--accent-green-hover);
  letter-spacing: 0.02em;
}

.transfer-list-more {
  text-align: center;
  padding: 12px 0 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--accent-green);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-green);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--accent-green-hover);
  border-color: var(--accent-green-hover);
  box-shadow: 0 0 20px rgba(184, 243, 46, 0.3);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
}

/* ===== Data Summary Bar ===== */
.data-summary-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}

.data-summary-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.data-summary-number {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1.2;
}

.data-summary-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== Feature Topics ===== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.topic-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 200px;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  border: 1px solid var(--border-green);
  transition: all var(--transition-mid);
}

.topic-card:hover {
  border-color: var(--accent-green);
  box-shadow: var(--shadow-hover);
}

.topic-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform var(--transition-mid);
}

.topic-card:hover .topic-card-bg {
  transform: scale(1.05);
}

.topic-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 23, 16, 0.88) 20%, rgba(10, 23, 16, 0.25) 100%);
  z-index: 1;
}

.topic-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.topic-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.topic-card-link {
  font-size: 0.85rem;
  color: var(--accent-green);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.topic-card-link:hover {
  color: var(--accent-green-hover);
}

/* ===== CTA Subscribe Bar ===== */
.subscribe-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-green-strong);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  flex-wrap: wrap;
}

.subscribe-bar-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.subscribe-bar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.subscribe-bar-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  background: transparent;
  color: var(--accent-green);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-green);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-outline:hover {
  background: var(--accent-green);
  color: var(--bg-primary);
  box-shadow: 0 0 16px rgba(184, 243, 46, 0.25);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
}

/* ===== Tag Cloud ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-cloud-link {
  padding: 8px 18px;
  border: 1px solid var(--border-green);
  border-radius: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  transition: all var(--transition-fast);
}

.tag-cloud-link:hover {
  color: var(--accent-green);
  border-color: var(--accent-green);
  background: rgba(184, 243, 46, 0.06);
}

/* ===== FAQ Section ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border-green);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition-mid);
}

.faq-item:hover {
  border-color: var(--border-green-strong);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: all var(--transition-fast);
  background: var(--bg-secondary);
}

.faq-question:hover {
  color: var(--accent-green);
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform var(--transition-mid);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent-green);
  border-radius: 2px;
}

.faq-icon::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}

.faq-icon::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  transition: transform var(--transition-mid);
}

.faq-item.open .faq-icon::after {
  transform: translateX(-50%) scaleY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
  background: var(--bg-tertiary);
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 16px 20px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  border-left: 3px solid var(--accent-green);
  margin-left: 20px;
}

/* ===== Bottom CTA ===== */
.bottom-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}

.bottom-cta-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition-mid);
}

.bottom-cta-card:hover {
  border-color: var(--border-green-strong);
  box-shadow: var(--shadow-hover);
}

.bottom-cta-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.bottom-cta-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.bottom-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.bottom-cta-link {
  padding: 8px 16px;
  border: 1px solid var(--border-green);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.bottom-cta-link:hover {
  color: var(--accent-green);
  border-color: var(--accent-green);
  background: rgba(184, 243, 46, 0.06);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-green);
  padding: 48px 0 24px;
  margin-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 12px;
  max-width: 300px;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.footer-link {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.footer-link:hover {
  color: var(--accent-green);
}

.footer-contact-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
}

.footer-bottom {
  border-top: 1px solid var(--border-green);
  padding-top: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .category-hero {
    grid-template-columns: 1fr 280px;
    gap: 28px;
  }
  .category-hero h1 {
    font-size: 2.2rem;
  }
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-summary-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  .container {
    padding: 0 20px;
  }
  .header-inner {
    padding: 0 20px;
  }
  .header-cta .cta-text {
    display: none;
  }
  .header-cta .cta-icon {
    display: inline;
    font-size: 1.1rem;
  }
  .header-cta {
    padding: 10px 14px;
  }
  .category-hero {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 0 32px;
  }
  .category-hero h1 {
    font-size: 1.9rem;
  }
  .category-stats-card {
    padding: 20px 18px;
    gap: 12px;
  }
  .category-stats-value {
    font-size: 1.3rem;
  }
  .section {
    padding: 36px 0;
  }
  .section-title {
    font-size: 1.35rem;
    padding-left: 12px;
  }
  .section-title::before {
    height: 20px;
  }
  .transfer-card {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }
  .transfer-card.reverse {
    grid-template-columns: 1fr;
  }
  .transfer-card.reverse .transfer-card-image {
    order: 1;
  }
  .transfer-card.reverse .transfer-card-body {
    order: 2;
  }
  .transfer-card-image {
    width: 100%;
    height: 160px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .data-summary-bar {
    grid-template-columns: 1fr 1fr;
    padding: 20px 16px;
  }
  .data-summary-number {
    font-size: 1.7rem;
  }
  .subscribe-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 18px;
  }
  .bottom-cta {
    grid-template-columns: 1fr;
  }
  .drawer-panel {
    width: 85%;
    max-width: none;
    padding: 24px 18px;
  }
  .drawer-menu-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .drawer-menu-link {
    padding: 12px 14px;
    font-size: 0.9rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 520px) {
  .category-hero h1 {
    font-size: 1.6rem;
  }
  .category-hero-desc {
    font-size: 0.95rem;
  }
  .data-summary-bar {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 16px 12px;
  }
  .data-summary-number {
    font-size: 1.4rem;
  }
  .data-summary-label {
    font-size: 0.75rem;
  }
  .section-title {
    font-size: 1.2rem;
  }
  .transfer-card-title {
    font-size: 1rem;
  }
  .faq-question {
    padding: 14px 16px;
    font-size: 0.9rem;
  }
  .faq-answer-inner {
    margin-left: 12px;
    padding: 12px 14px 16px;
    font-size: 0.85rem;
  }
  .btn-primary,
  .btn-outline {
    padding: 10px 20px;
    font-size: 0.85rem;
  }
  .subscribe-bar {
    padding: 16px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category6 */
:root {
            --bg-primary: #0C1F14;
            --bg-secondary: #142B1D;
            --bg-tertiary: #0A1710;
            --bg-light: #F5F2E8;
            --accent-green: #B8F32E;
            --accent-green-hover: #A6DE24;
            --accent-gold: #E8A33D;
            --text-primary: #F2F5EC;
            --text-secondary: #A8B8A0;
            --text-muted: #6D7F68;
            --text-dark: #14201A;
            --text-dark-secondary: #4A5A4D;
            --border-green: rgba(184, 243, 46, 0.18);
            --border-green-strong: rgba(184, 243, 46, 0.45);
            --radius-lg: 4px;
            --radius-md: 6px;
            --radius-sm: 2px;
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.35);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", monospace;
            --transition-fast: 0.15s ease-out;
            --transition-mid: 0.25s ease-out;
            --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            --max-width: 1240px;
            --header-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        section {
            padding: 64px 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 0.75rem;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--accent-green);
            margin-bottom: 12px;
            font-weight: 500;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(12, 31, 20, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-green);
            z-index: 100;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border: 2px solid var(--accent-green);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: var(--bg-secondary);
            flex-shrink: 0;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            border: 2px solid var(--accent-green);
            transform: rotate(45deg);
            border-radius: 2px;
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent-green);
            border-radius: 50%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hamburger {
            width: 42px;
            height: 42px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all var(--transition-fast);
            background: transparent;
        }

        .hamburger:hover {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.08);
        }

        .hamburger:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .hamburger-line {
            width: 20px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }

        .hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        .header-cta {
            padding: 10px 24px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .header-cta:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .header-cta:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        .header-cta .cta-icon {
            display: none;
        }

        /* Drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 23, 16, 0.7);
            z-index: 200;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-mid);
        }

        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 60%;
            max-width: 520px;
            min-width: 300px;
            height: 100vh;
            background: var(--bg-tertiary);
            z-index: 210;
            border-left: 1px solid var(--border-green-strong);
            padding: 40px 32px 32px;
            display: flex;
            flex-direction: column;
            gap: 28px;
            overflow-y: auto;
            transition: right var(--transition-slow);
        }

        .drawer-panel.active {
            right: 0;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-green);
        }

        .drawer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .drawer-close {
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .drawer-close:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .drawer-close:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        .drawer-section-title {
            font-size: 0.72rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 14px;
            font-weight: 500;
        }

        .drawer-nav-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        .drawer-nav-link {
            display: flex;
            align-items: center;
            padding: 12px 14px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }

        .drawer-nav-link:hover {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.06);
            color: var(--accent-green);
        }

        .drawer-nav-link.active {
            border-color: var(--accent-green);
            background: rgba(184, 243, 46, 0.1);
            color: var(--accent-green);
        }

        .drawer-quick-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .drawer-quick-link {
            padding: 8px 14px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .drawer-quick-link:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .drawer-contact {
            padding: 14px;
            background: var(--bg-secondary);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-green);
        }

        .drawer-contact-item {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin-bottom: 4px;
        }

        .drawer-notices {
            list-style: none;
        }

        .drawer-notices li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-green);
            color: var(--text-secondary);
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .drawer-notices li::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-gold);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--accent-green);
        }

        .breadcrumb .sep {
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .breadcrumb .current {
            color: var(--accent-green);
            font-weight: 500;
        }

        /* Category H1 Section */
        .cat-h1-section {
            padding-top: calc(var(--header-height) + 48px);
            padding-bottom: 48px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-green);
        }

        .cat-h1-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: center;
        }

        .cat-h1-wrap h1 {
            font-size: 2.6rem;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 16px;
        }

        .cat-h1-wrap .cat-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.8;
        }

        .cat-summary-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cat-summary-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .cat-summary-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .cat-summary-value {
            font-family: var(--font-mono);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-green);
        }

        /* Data Summary Strip */
        .data-strip {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            border-bottom: 1px solid var(--border-green);
            padding: 40px 0;
        }

        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-strip-item {
            text-align: center;
            padding: 12px;
        }

        .data-strip-number {
            font-family: var(--font-mono);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .data-strip-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* List Cards Section */
        .list-cards-section {
            background: var(--bg-primary);
        }

        .list-card {
            display: grid;
            grid-template-columns: 1fr 200px;
            gap: 24px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 16px;
            transition: all var(--transition-mid);
            align-items: center;
        }

        .list-card:hover {
            border-color: var(--border-green-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .list-card.reverse {
            grid-template-columns: 200px 1fr;
        }

        .list-card.reverse .list-card-img {
            order: 1;
        }

        .list-card.reverse .list-card-content {
            order: 2;
        }

        .list-card-img {
            width: 100%;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-green);
        }

        .list-card-content {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .list-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .list-card:hover .list-card-title {
            color: var(--accent-green);
        }

        .list-card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .list-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .list-card-meta .update-time {
            font-family: var(--font-mono);
        }

        .list-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--accent-green);
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .list-card-link:hover {
            color: var(--accent-green-hover);
            gap: 10px;
        }

        .list-card-link .arrow {
            font-family: var(--font-mono);
        }

        .list-more-btn {
            display: block;
            margin: 32px auto 0;
            padding: 14px 40px;
            background: transparent;
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .list-more-btn:hover {
            background: var(--bg-secondary);
            border-color: var(--accent-green);
            color: var(--accent-green);
        }

        .list-more-btn:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        /* Topic Cards Section */
        .topic-section {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            border-bottom: 1px solid var(--border-green);
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-green);
            background: var(--bg-secondary);
            transition: all var(--transition-mid);
            position: relative;
        }

        .topic-card:hover {
            border-color: var(--border-green-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .topic-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }

        .topic-card-body {
            padding: 16px 18px;
        }

        .topic-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }

        .topic-card:hover .topic-card-title {
            color: var(--accent-green);
        }

        .topic-card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Subscribe CTA */
        .subscribe-cat {
            background: var(--bg-primary);
            border: 1px solid var(--border-green-strong);
            border-radius: var(--radius-md);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .subscribe-cat-content h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .subscribe-cat-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 480px;
        }

        .subscribe-btn {
            padding: 13px 30px;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-green);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .subscribe-btn:hover {
            background: var(--accent-green-hover);
            border-color: var(--accent-green-hover);
            box-shadow: 0 0 16px rgba(184, 243, 46, 0.3);
        }

        .subscribe-btn:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }

        /* Tag Cloud */
        .tag-cloud-section {
            background: var(--bg-primary);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-link {
            padding: 8px 16px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.82rem;
            transition: all var(--transition-fast);
        }

        .tag-link:hover {
            border-color: var(--accent-green);
            color: var(--accent-green);
            background: rgba(184, 243, 46, 0.06);
        }

        /* Support Content Section */
        .support-section {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            border-bottom: 1px solid var(--border-green);
        }

        .support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .support-block {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .support-block h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-green);
            padding-bottom: 16px;
            margin-bottom: 16px;
        }

        .faq-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
            margin-bottom: 0;
        }

        .faq-question {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent-green);
            margin-bottom: 6px;
        }

        .faq-answer {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .editor-note {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .editor-note strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Bottom Main CTA */
        .bottom-cta-section {
            background: var(--bg-primary);
            padding: 56px 0;
        }

        .bottom-cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .bottom-cta-card {
            padding: 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-green);
            transition: all var(--transition-mid);
            background: var(--bg-secondary);
        }

        .bottom-cta-card:hover {
            border-color: var(--border-green-strong);
            box-shadow: var(--shadow-hover);
        }

        .bottom-cta-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .bottom-cta-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .bottom-cta-link {
            color: var(--accent-green);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .bottom-cta-link:hover {
            color: var(--accent-green-hover);
            gap: 10px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-green);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-green);
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 12px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 0.78rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 14px;
            font-weight: 600;
        }

        .footer-link {
            display: block;
            color: var(--text-secondary);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-link:hover {
            color: var(--accent-green);
        }

        .footer-contact-item {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin-bottom: 6px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Accessibility */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat-h1-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cat-summary-card {
                max-width: 400px;
            }
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
            .bottom-cta-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                padding: 0 20px;
            }
            .header-cta {
                padding: 10px 14px;
                font-size: 0.8rem;
            }
            .header-cta .cta-text {
                display: none;
            }
            .header-cta .cta-icon {
                display: inline;
                font-size: 1.1rem;
            }
            .cat-h1-wrap h1 {
                font-size: 1.7rem;
            }
            .data-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .data-strip-number {
                font-size: 2rem;
            }
            .list-card,
            .list-card.reverse {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .list-card-img,
            .list-card.reverse .list-card-img {
                height: 100px;
                order: -1;
            }
            .list-card-content,
            .list-card.reverse .list-card-content {
                order: 0;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-cat {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .drawer-panel {
                width: 85%;
                min-width: unset;
                padding: 24px 20px;
            }
            .drawer-nav-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 40px 0;
            }
            .cat-h1-section {
                padding-top: calc(var(--header-height) + 32px);
                padding-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
            }
            .cat-h1-wrap h1 {
                font-size: 1.4rem;
            }
            .data-strip-grid {
                grid-template-columns: 1fr;
            }
            .list-card-title {
                font-size: 1rem;
            }
        }

        /* Focus visibility for all interactive elements */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 3px;
        }